Thayer's Note:

a
The site of the long-demolished Fort Dearborn is now in the heart of downtown Chicago. The phrase that immediately precedes the record of his death — "but not at the seat of war" — occurs frequently in the Register in connection with the Black Hawk War; the explanation in most cases is the one given
in the biographical sketch of James Monroe: cholera. A fair surmise is that Brown was one of those who actually died of it.

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